A New Approach to Detection of Muscle Activation by Independent Component Analysis and Wavelet Transform

  • Authors:
  • Bruno Azzerboni;Giovanni Finocchio;Maurizio Ipsale;Fabio La Foresta;Francesco Carlo Morabito

  • Affiliations:
  • -;-;-;-;-

  • Venue:
  • WIRN VIETRI 2002 Proceedings of the 13th Italian Workshop on Neural Nets-Revised Papers
  • Year:
  • 2002

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Abstract

Recent works have demonstrated that the Independent Components (ICs) of simultaneously-recorded surface Electromyography (sEMG) recordings are more reliable in monitoring repetitive movements and better correspond with ongoing brain-wave activity than raw sEMG recordings. In this paper we propose to detect single muscle activation, when the arms reach a target, by means of ICs time-scale decomposition. Our analysis starts with acquisition of sEMG (surface EMG) signals; source separation is performed by a neural net-work that implements on Independent Component Analysis algorithm. In this way we obtain a signal set each representing single muscle activity. The wave-let transform, lastly, is utilised to detect muscle activation intervals.